/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.apache.mina.util;

import org.apache.mina.core.filterchain.IoFilter;
import org.apache.mina.core.filterchain.IoFilterAdapter;
import org.apache.mina.core.filterchain.IoFilterChain;

/**
 * Bogus implementation of {@link IoFilter} to test
 * {@link IoFilterChain}.
 *
 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
 */
public class IoFilterImpl extends IoFilterAdapter {
    private final char c;

    public IoFilterImpl(char c) {
        this.c = c;
    }

    @Override
    public int hashCode() {
        return c;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null) {
            return false;
        }
        if (!(o instanceof IoFilterImpl)) {
            return false;
        }
        return this.c == ((IoFilterImpl) o).c;
    }

    @Override
    public String toString() {
        return "" + c;
    }
}